Introduction. The Centers for Disease Control and Prevention (CDC) estimate that between 1 039 000 and 1 185 000 people in the USA are infected with HIV, and approximately 75% are aware of their infection and 25% are not.
February 18, 2010 â Editor's note: Pediatric respiratory emergencies result from a variety of causes, including chronic medical conditions, infections, allergic reactions, and obstruction from foreign bodies.
â¢ Upper airway obstruction is a common cause of. pediatric emergency department visits, accounting for approximately 15% of all critically. ill patients. â¢ Infectious etiologies account for 90% of these, with viral croup accounting for 80%.